Results 181 to 190 of about 6,199 (203)
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Endoscopic Testicular Biopsy Technique in Psittaciformes
Journal of Avian Medicine and Surgery, 2002Abstract Infertility and poor breeding performance are frequently encountered in avicultural facilities. The problems of infertility or inadequate performance may have either medical or nonmedical origins. It is not always possible to diagnose causes of infertility with the noninvasive diagnostic methods that are used routinely.
Lorenzo Crosta +3 more
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Longevity records for Psittaciformes in captivity
International Zoo Yearbook, 2000Psittaciformes are generally believed to be long‐lived birds and are frequently said to reach ages of 100 years old or more. In reality, however, life spans rarely exceed 50 years of age, although a few reliable records exist of parrots aged up to 65–70 years.
K. BROUWER +3 more
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Sarcocystis Species in Psittaciform Birds
The Journal of Zoo Animal Medicine, 1975Kenneth S. Todd +2 more
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